Heat control for paper-making machines.



C. STICKLE.

HEAT CONTROL FOR PAPER MAKING MACHINES.

APPLICATION mgr: JUNE 19. I915.

1,242,387. Patented Oct. 9,1917.

' Tia 1 WITNESSES: mi s/v TOR (OLE J'FICKL Z I m'mmvsm l I LI/44 7/ 0.STICKLE. HEAT CQNTROL FOR PAPER MAKING MACHINES,

- APPLICATION FILED JUNE l9. I916.

Patented Oct. 9,1917.

2 SHEETS-SHEET 2.

WITNESSES: 4.9 36 m; VEIIVA r03 A TTORNEV claims. In the drawings,Figure 1 18 e side eleve- COLE STICKLE, 0F INDIANAPOLIS, INDIANA.

HEAT CONTEGL IE'GR ElfER-MAKING MACHINES messes.

i '0 all whom it may concern Be it known that I, Cons Srionnn, a citi'zen ofthe United States, and a resident of Indianapolis, county ofMarion and State of lndiane, have invented a certain new and useful HeatControl for Paper-Making Mechines; and I do hereby declare that thefollowing is a fulh'cleer, and exact description thereof, referencebeing hedto the accompanying drawings, in which like letters refer tolike parts.

The object of this invention is to control the heat supply to thecylinders of n paper making machine or any like machine, by the tensionof the-sheet of paper or other sheet going through the machine saidtension is clu-inged by'changesin themoisture of the sheet.

The chief feature of the invention consists in mechanical meanscontrolled by the sheet of paper as its condition varies when in dry andmoist states for directly opening and closing an auxiliary valve whichcontrols the operation of e reducing or regulating 25.

valve for admitting sheeting medium to the cylinders or cutting it offfrom the c'zylin-v ders. The full netdre of the invention will beunderstood from the accompanying drawings and t e following (XGSCFIPHOT.and

tion ofa portion of a paper making machine equipped with said.invention, parts being broken away. Fig 2 isa plan view of a part of thedevice on a large scale and showing one end of a cylinder in'plan viewand the sheet of paper or the like in section. Fig. 3 is an endelevation of a portion of the cylinder and the mechanical means foropcrating the auxiliary valve, said auxiliary valve mechanism beingshown in section on the line 3-3 of Fig. 2, the valve being shown closedand the parts in their position when the sheet of paper has become moistFig. 4 is substantially the same, showing the auxiliary valve open andparts in their position when the sheet of paper has become dry. Fig. 5is a section on the line 5--5 of .There is shown herein a. paper makingmachine having frame 10 and hollow drying cylinders 1.1 over which asheet of paper 12 passes through the machine. vThe sheet of paper isdried by heat being introduced into said cylinders through individualpipes 13 leading from the headcr'ld. The live Speification of LettersPatent.

spplicetion filed June 19,1918. Serial No. 10%,600.

Patented Got. 9, 1917.

steam comes in under high pressure through :1 high pressure pipe 15. Areduction valve mechanism 16 is provided for reducing the pressure ofthe steam as it enters the header. The reducing valve mechanism 16 iscontrolled by ivsiter under pressure passing thereto through a by-pnsspipe l'lironi a high pressure water pipe 18. The details of theconstruction. of the reducing valve ,niechanism 16 are not shown as, itis of com- .mon type, but it issoerranged that when the water underpressure passes through pipe 17 the valve will tend to close and whenthe water under pressure is shut oil from passing through pipe 17, thevalve will be open. I

The passage of water or other fluid under pressure from the highpressure pipe 18 to the bypass 17 is controlled by an auxiliary valve 19which is positively operated by the following means controlled by thesheet of paper, as illustrated in Figs. 2, 3 and 4.

There is a. henringsleeve 30 carried bye bracket 42 Secured to theuprightframe. member 10 by screws 31. andthe same con struction is onthe opposite side of the ma chine and in the sleeves 3O rod 32 ismounted sons to oscillate. Said rod carries it radially extending ornirigidly connected therewith at each end of the cylinder 11 and the outerends of said arms carry a loose roller 35 which extends-transi'ersely ofthe machine below and to the front of the, cylinder and bears againstthe inner surface ofthe sheet 152 as it travels over said cylinder.

On one end of said rod 32 5;. contact arm 1' mounted so as to beverticallymovable in a.

shilling box 44 in the frame 45 on bar 46 extending rigidly from thebracket 42.

The nimsi'lf, extend upwardly and rearwardly from the rod 32. as shownin Figs. 3 and. ll so that their weight and the weight of the roller 35will tend by gravity to actuate the valve arm 36 downward and force theauxiliary valve 19 into closed position. Then the valve 19 shuts off thewater under pressure passing through thepipe 1? for holding the reducingvalve at 16 in closing or reducing position and that opens the reducingvalve which admits more steam or,

head to the cylinders 11 so as to impart more heat to them and morerapidly dry the paper.

If, on the other hand, the sheet of paper has become relatively dry, itshortens or takes up its slack, as indicated in Fig. 4, and moves theroller 35, arms 33, rod 32 and contact arm 36 in the opposite directionso as to open the auxiliary valve and permit the water or otherfluidunder pressure to pass through the pipe 17 and move the reducingvalve to a position for decreasing the supply of heat to the cylinders.

Thus it is seen that the heat is controlled by the moist or drycondition of the sheet of paper; When it becomes too moist, themechanical means is operated by the sheet so asto close the auxiliaryvalve and open the steam controlling or reducing valve. On

the other hand, if the sheet is dry, said mechanical means will open theauxiliary valve and thus cause the steam controlling valve to close ormove toward a closing position.

i In the machine herein shown there are two pipes 17 controlled by oneauxiliary valve and its actuating arm is not a tight fitting one, but isloose or so. as to allow for some independent movement by the valve stemand said arm. The valve is arranged so that the pressure of the watertends to keep it seated. The result of such arrangement is that thevalve will not be unseated by any slight or accidental movement of thearm, as the arm will have some play, but when the sheet of paper hasbecome too dry and has moved the'arm against the valve stem at the upperend of the slot thereof and the tension of the paper has put the partsunder suflicient strain to lift the valve, it will be lifted quite wideopen so as to let ample water pass for creating the desired pressure onthe heat controllingvalve for operating it.

The invention claimed is:

1. The combination of cylinders for drying a sheet of paperor the like,means for heating said cylinders, a valve for controlling said heatingmeans, an auxiliary valve for controlling said heatcontrolling valve,and mechanical means controlled by the,

.tension of a sheet of paper or the like as it ed with said auxiliaryvalve for mechanically actuating the same, and stops for limiting themovement of said valve actuating means.

3. The combination of cylinders for drying a sheet of paper or the like.means for heating said cylinders. a valve ior controlling said heatingmeans, an auxiliary valve for controlling said heat controlling valve,

a. stationary member in which said auxiliary valve is meiuhed and guidedin its movement, and mechanical means controlled by the tension of asheet of paper or the like as it passes over said cylinders and oper-'atively connected with said auxiliary valve for mechanically actuatingthe same.

4. The combination of cylinders for drying a sheet of paper or the like,means for heating said cylinders, a valve for controlling said heatingmeans, an auxiliary valve for controlling said heat controlling valveand having a slotted valve stem, a fixed member inwhich said auxiliaryvalve and valve stem are mounted and guided .so as to move vertically,and an arm actuated and controlled by ,the tension of a sheet of paperor the like as it passes over said cylinders and projecting through theslot in said valve. stem for operating said auxiliary valve.

5. The combination of a frame, cylinders mounted on said frame fordryinga sheet of paper or the like, means for heating said cylinders, avalve for controlling said heat ing means, an auxiliary valve forcontrolling said heat controlling valve, means rigidly connectr l withsaid frame for holding and guiding said auxiliary valve in itsmovements, an arm oscillatably mounted for controlled and moved by thetension of a sheet of paper or the like as it passes over said cylinderswith which said arm is rigidly connected and whereby it is' actuated. Inwitness whereof, I have hereunto affixed my signature.

COLE STICKLE.

operating said auxiliary valve, and means

